By Climate Central
The Paris Climate Change Agreement set a goal of “holding the increase in the global average temperature to well below 2°C (3.6°F) above pre-industrial levels and pursuing efforts to limit the temperature increase to 1.5°C (2.7°F).”
In that agreement, world leaders asked the IPCC, the preeminent climate science body, “to provide a Special Report in 2018 on the impacts of global warming of 1.5°C above pre-industrial levels and related global greenhouse gas emission pathways.”
After being formally approved by all the UN country representatives, that special report was released this week.
Human activities have already warmed the planet about 1°C (1.8°F) since the pre-industrial era, defined by the IPCC as the latter half of the 19th century. At the current rate of warming, Earth would reach the 1.5°C threshold between 2030 and 2052.
Limiting warming to 1.5°C is not easy and requires drastic changes to…
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